[특허]Serum/plasma separators with centrifugal valves

Serum/plasma separators with centrifugal valves 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-021/26
출원번호	US-0446386 (1974-02-27)
발명자 / 주소	Ayres Waldemar A. (East Rutherford NJ)
출원인 / 주소	Becton, Dickinson and Company (East Rutherford NJ 02)
인용정보	피인용 횟수 : 81 인용 특허 : 0

초록 ▼

An evacuated tube having both ends closed has a flap type valve fixedly disposed between the ends for dividing the tube into upper and lower chambers. The valve is formed and arranged to provide a passageway between the upper and lower chambers when subjected to centrifugal forces of proper intensit

대표청구항 ▼

A separator device for separating mixed light phase and heavy phase constituents of blood and establishing a permanent barrier between said phases, including: a tubular container closed at both ends and adapted to contain the blood to be separated; elastomeric barrier means fixedly located intermediate the container ends attached to the inner side wall of the container and dividing the container into first and second chambers such that upon separation of the blood into the light phase and the heavy phase by the application of centrifugal force, the first chamber contains only the light phase; a passageway through the barrier means connecting the first and second chambers, said barrier means further including a conical surface, adjacent the first chamber, which forms a funnel that is in communication with the passageway to facillitate the separation of the phases and the flow of the heavy phase into the second chamber; a valve seat defined by a wall of the barrier means disposed about the passageway; and a flexible flap valve means extending over the valve seat having one portion of the edge fixed to the barrier means and the other portions of the edge free, the flap means having a specific gravity greater than blood and normally sealing off the passageway to provide a barrier between first and second chambers, and when subjected to a predetermined centrifugal force, the flap means flexes away from the valve seat to open the passageway to provide communication between the chambers to permit the major portion of The light phase to travel to the first chamber and the heavy solid phase to travel to the second chamber, and upon cessation of the applied centrifugal force, the flap means returns to its normal position on the valve seat to seal off the passageway and provide a barrier between the first and second chambers.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Serum/plasma separators with centrifugal valves 원문보기

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Serum/plasma separators with centrifugal valves 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (81)

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